According to California regulations, when estimating costs for a lump sum contract, what percentage waste factor is typically considered reasonable for concrete materials in residential construction?
Correct Answer
B) 5-10%
Industry standards in California typically recognize 5-10% as a reasonable waste factor for concrete in residential construction. This accounts for spillage, over-excavation, and normal construction variances. Higher percentages may indicate poor planning, while lower percentages may result in cost overruns and project delays.
Why This Is the Correct Answer
Industry standards in California typically recognize 5-10% as a reasonable waste factor for concrete in residential construction. This accounts for spillage, over-excavation, and normal construction variances. Higher percentages may indicate poor planning, while lower percentages may result in cost overruns and project delays.
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